E-Commerce Configuration Guide : Site Configuration Settings : Guest Related Settings : UseSameConfText
 
UseSameConfText
Key value:
Any text
Description:
Specifies the text to display on the pop-up Confirmation Message dialog that displays when the Use Same button is used on the GuestLookup.aspx page. Use {{guest_name}} to include the guest name; apostrophes are specified with \' and line breaks with \n.
Example:
UseSameConfText = WARNING!!\nYou have chosen to use the same guest ({{guest_name}}) again.\nAre you sure?
See also:
UseSameConfirm